Pith Number

pith:PZE4ODGU

pith:2012:PZE4ODGUICUENDAPF7L7MTSEK6

not attested not anchored not stored refs pending

The Weakness of Weak Ties in the Classroom

Luis M. Vaquero, Manuel Cebrian

arxiv:1201.1589 v2 · 2012-01-07 · cs.SI · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZE4ODGUICUENDAPF7L7MTSEK6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:34:59.546208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e49c70cd440a8468c0f2fd7f64e445785024484dfca46e43806565c32913e54

Aliases

arxiv: 1201.1589 · arxiv_version: 1201.1589v2 · doi: 10.48550/arxiv.1201.1589 · pith_short_12: PZE4ODGUICUE · pith_short_16: PZE4ODGUICUENDAP · pith_short_8: PZE4ODGU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PZE4ODGUICUENDAPF7L7MTSEK6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7e49c70cd440a8468c0f2fd7f64e445785024484dfca46e43806565c32913e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a754159cdc7912643c649377b190b269bc64fcd2f78150f9d0951cbce14b15b4",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-01-07T22:01:04Z",
    "title_canon_sha256": "c0d5a4db61472f7aeb17e45d60be2b99b9ca58d3f80fc353210f74dd387e44f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1589",
    "kind": "arxiv",
    "version": 2
  }
}